# print([i for i in range(5)])
# print([i for i in range(1,5,2)]) #2表示隔几个取一个
# for s in 'BIT':
#     print('循环进行中' + s)
# else :
#     print('循环正常结束')
# s,idx = 'BIT',0
# while idx < len(s) :
#     print('循环进行中' + s[idx])
#     idx += 1
# else :
#     print('循环正常结束')
# for i in 'PYTHON' :
#     if i == 'T' :
#         break
#     print(i)
# for i in 'PYTHON' :
#     if i == 'T' :
#         continue
#     print(i,end = '')
     
from random import*
print(random())
print(random.seed(10))